Stop Making Mistakes When Acquiring HVAC Equipment With This Guidance

Working with HVAC can be daunting when you first get started because there is so much that goes into it. This article was put together to help people with this that want to learn about all of this. Follow https://www.pinterest.ph/pin/512354895104732633# and you'll be a pro at HVAC in no time!



If you must hire someone to help you out with your HVAC system, be sure to learn about all of the requirements your state has legislated regarding licencing and insurance. https://www.contractingbusiness.com/commercial-hvac/commercial-hvac-contractor-year-air-comfort need to be able to ask anyone you plan to hire if they meet these requirements before you hire them.

Before you hire anyone to do any work on your HVAC, be sure to get a written estimate which has itemized costs listed on it. This will ensure that comparing one contractor to another will be simple as you can see what one offers that another doesn't, or what price they're charging for the same items.

Look to your neighbors and family to get recommendations of good HVAC specialists. Likely there's someone you know who's already done a ton of research. Use this knowledge to help get you the best specialist you can. This can save you many hours of research time and money too.

A good place to place your compressor unit outside is in a shady spot. If you have a unit taking in air that's cooler, it won't have to work so hard to cool air that it sends to your home.

Let your friends and family know about the discounts that are possible via ENERGY STAR. There's a lot of savings that can be had here, so why hold this good news all to yourself! You can save those closest to you hundreds of dollars over the course of a year.

Never let your home reach a dangerously hot temperature. Air conditioners really can only cool a home down about 20 degrees Fahrenheit within a reasonable amount of time. This limits their overall benefit. If humidity is high, this temp is still unsafe for people.



Camfil USA
200 Creekside Dr, Washington, NC 27889, USA
+1 252-975-1141


If you want to turn off your air conditioning at night to save money, consider putting a standing fan next to your bed. You can set it to oscillate from your toes to your head, blowing cool air over your body and letting you sleep comfortably all night long.

When you are looking for a service provider to perform service on your HVAC system, look for a company that stands behind their work. This is especially important if your compressor or condenser is being repaired. Repairs to these two things are extremely expensive, so you want to ensure that the service provider warranties their work.

Always take the time to check out the reputation of any HVAC contractor before you consider hiring them. Check with the BBB and look for reviews of potential companies online. These simple steps will help make a better decision.

If you plan on having a service on your HVAC unit, ask the technician what he will be doing. Any thorough service should consist of several things. The technician should check temperature levels, pressures, amperage draw, and coolant levels. They should adjust any belts that need it and clean the coils.

To boost your home HVAC's efficiency, install solar screening. It reflects sunlight back outside, stopping it from heating up your home. Your air conditioner will be able to run less in the daytime, and your energy bill will plummet as a result. You can install this on any glass you have, doors or windows.

Try to get as many quotes from contractors that you can. You can save tons of money by asking for many quotes. To get the best picture and get an idea of what rates are reasonable, call five or six different contractors.




What to look for when buying air purifiers for your home


What to look for when buying air purifiers for your home If you have allergies or asthma, or are sensitive to pollution, you may have considered purchasing an air purifier to clean the air inside your home. Now, with smoke from destructive wildfires still burning in Northern California affecting people as far as 100 miles away, even those without specific health concerns are thinking about ways to improve indoor air quality. But with so many types of filtration systems on the market (and prices ranging from $100 to nearly $1,000), it can be hard to know where to begin. Check out this quick guide to home air purifiers to figure out which are worth the cost.


Having a radiant barrier in your attic helps you HVAC system run better. This will block the heat that comes in. If done right, https://www.hpac.com/whitepapers/how-simulation-can-help-you-validate-and-optimize-hvac-designs can even start using the attic as living space.

If you are going to use the Internet as a source for good HVAC contractors, you need to be very careful. You never know who is behind the glowing reviews that are posted all over the Web. There is a chance that the contractor is posting their own reviews or paying others to do so.

Every season inspect the outdoor condenser unit of your HVAC system. Remove any weeds and leaves that may be obstructing air flow to the unit. Hose off the inside and outside of the unit to remove any dirt build up. Cover the motor with plastic bags prior to rinsing the unit so that you do not get it wet.

When choosing someone to work on your HVAC system, make sure they provide you with references. It helps to find out whether prior customers were satisfied with their overall experience. You can find out whether the company and their employees are honest and good workers this way.

Choose a contractor who knows how to work with your current system. If they work with that set-up frequently, they'll quickly diagnose any problems and know exactly how to maintain it. Choosing such a firm will save you time and money, and will also save you from unnecessary headaches.

A great way to ensure that the HVAC professionals you hire are up to the task is to take steps to verify that they possess proper licensing and certification. Failing to check these very important credentials can cause you to hire someone who is more likely to do more harm than good and charge you a great deal of money along the way.

If your outdoor compressor unit sits in the sun, consider building a shade over it. Air in the shade is about 5 degrees cooler than air in the sun. This can have a significant impact on your cooling bill. When done properly, you could see up to a 10 percent savings over the season.

The suggestions above should help you develop a strategy for keeping your HVAC system in good working order. Caring for your system will ensure you don't end up with issues down the road. By using these excellent tips, your HVAC unit will function correctly for many years to come.

Basic Advice To Provide You Complete HEATING AND COOLING Knowledge

HVAC is what a lot of people would like to learn about, but they don't know where to get started. This is why things like this guide were put together to help people like you out. Once you're ready to tackle the subject, all you have to do is read along.

Make sure you check the filters in your air conditioning unit. This is important because checking your filters could make the difference between inexpensive repairs and more expensive ones down the line. Try to put it into your monthly schedule so that you don't forget to check the filters regularly.

Look for deals and rebates on the HVAC system you are having installed. Many ENERGY STAR units come with huge rebates either from your local utility company or the government itself. Investigate your options as it could save you hundreds or even thousands of dollars on the installation costs.

Do you hear a clicking sound when your fan is turning? This may mean that there is something in the way of the blades of the fan. If it gets so bad that the blade bends, you must replace it, just unbending it will leave the fan unbalanced and can cause further issues.

When you have an outdoor unit, be sure to keep all plants, flowers, shrubs and trees at least two feet from it. Anything that grows inside it, either above the ground or even roots beneath the soil, can block it up and cause it to break. Give it some breathing room.

The correct HVAC system should have sealed air ducts to minimize heating or cooling loss as air travels to different rooms. The heating or cooling requirements of different rooms in the home should be taken into consideration. There is no reason to increase energy usage by controlling the temperature in rooms that are used very little.




Global Air Filters Market Forecast 2018-2025 CLARCOR, Flanders Corporation, Freudenberg, 3M Purification, Donaldson - The Important Trends


Global Air Filters Market Forecast 2018-2025 CLARCOR, Flanders Corporation, Freudenberg, 3M Purification, Donaldson - The Important Trends It analyses the important factors of the Air Filters market based on present industry situations, Air Filters market demands, business strategies utilized by Air Filters market players and the future prospects from various angles in detail. Industry analysis is a market assessment tool used by business and analysts to understand the complexity of an industry.


Make find out this here that your contractor provides a home assessment. Not every HVAC solution is for everyone. Your home could have special needs for heating and cooling. Your contractor should do a walk around of your space to judge what is best. If they aren't be sure to request one.

When you buy a new air conditioning unit, don't let the salesperson talk you into too large of a unit. This will be a waste of money and won't efficiently cool your home. The longer a system runs, the more efficient it will be when it's running, so look for one which runs 15 to 30 minutes.

You should be sure to change the air filter of your HVAC system once every six months. Neglecting to do so can cause dust particles to clog the air ducts. In turn, your system will not work properly and you will find your bills going up. It's worth spending the time to clean the filters.

To save money on your HVAC system, turn the air conditioning down at night and let your home warm up a bit. To keep yourself cool, use a chilling water-filled pillow to cool down your head and your whole body as a result. This combined with a fan will keep you from overheating while saving on your utility bills.





Consider all of your alternatives before installing a central air conditioner. You can only cool certain rooms, use whole-house fans, or even make use of a geothermal system. The more efficient the system you set up, the less you'll spend on utility bills over time as you use it.

If you live in a hot climate, don't use duct tape on your HVAC. It just dries out and falls off, leaving you with leaks all over the place. Instead, use mastic sealant to cover any holes or gaps in duct work and you'll keep your home comfortable all year long.

Do not allow your home to reach excessive levels of heat during the summer. Air conditioners can cool a home by just twenty degrees in a short time. If more info here in your home rises to 100 degrees F or higher, cooling it will only drop the temperature to 80 degrees F. This isn't a very safe condition for a homeowner to sleep in, especially when the humidity levels are considered.

Never accept the first offer you get when you are looking to hire an HVAC contractor. There are many people out there that charge more than others for doing the same services. Getting price quotes from several companies can help ensure that you are getting a rate that is acceptable.

Never hire anyone to work on your HVAC system unless they are licensed and bonded. This industry is one where mistakes happen often and you want to make sure that you are protected. You do not want to be stuck paying for medical bills that are more expensive than the work you were having done.


Is your home's electrical set-up ready to handle a new air conditioning unit? Most homes have 115-volt circuits in place, but larger air conditioners need 230-volts to be used. Some smaller units may need their own dedicated circuit as well to ensure your home doesn't go dark when you turn them on.



Camfil USA
200 Creekside Dr, Washington, NC 27889, USA
+1 252-975-1141

When buying an air conditioner, you want to find out with a SEER rating of 13 or higher. 13 is the minimum standard set by the government, so higher ratings, while not mandatory, are going to offer you better efficiency. SEER ratings can go as high as 19, so keep this in mind as you shop.

Choose a contractor who knows how to work with your current system. If they work with that set-up frequently, they'll quickly diagnose any problems and know exactly how to maintain it. Choosing such a firm will save you time and money, and will also save you from unnecessary headaches.

If the HVAC contractor assumes a "one size fits all" approach to installing your unit, look elsewhere. In order for the system to be right for your home, the contractor needs to come out, find your air ducts, and generally get a feeling for how your home is laid out. If he or she does not do that, move on.

Check the licensing of any HVAC company that you plan to hire. Start by making sure they are fully licensed. They should be in compliance with your state's business laws. Good HVAC companies should be fully insured. This is to protect their company, their employees, and their customers should anything happen when they are performing a service at the home of a customer.

Working with HVAC isn't too hard if you're able to work with it and get into it by using the advice you were given above. Utilize these tips when you are installing your HVAC unit. Get going and reap the benefits.

Read About Ways To Get The HEATING AND COOLING Support You Required

It is essential that your HVAC system is properly maintained. A homeowner stands to spend a great deal of money if his HVAC system does not work well. https://www.thisoldhouse.com/ideas/calling-hvac-pro following tips will help you care for your HVAC and learn what to do if you eventually need to replace it.

When purchasing a new HVAC system for your home, be sure it is energy efficient. These days, most new HVAC systems are energy efficient; there is a energy star label on the equipment. However, to be sure your utility costs do not go through the roof, choose equipment that is energy efficient.

Be sure to get every quote or estimate in written form. You have no recourse on a verbal agreement, so a written contract is a must. This will allow you to follow up if something goes wrong or you don't get what you were promised, protecting you from shady contractors.




What to Know Before Buying an Air Purifier to Clear Wildfire Smoke


What to Know Before Buying an Air Purifier to Clear Wildfire Smoke While smoke contains carbon monoxide and particulate matter that can be hazardous to your health, the Environmental Protection Agency says "the long-term risks from short-term smoke exposures are quite low," according to a guide to wildfire smoke for public health officials.





If you have oil ports as part of the fan condenser, annual lubrication is key. The port usually has either a rubber or metal cap on top of it. Put 10 drops of lightweight, non-detergent SAE oil in each port. Be careful not to use too much.

If you are looking to save money with your HVAC system, consider turning down the air conditioner in the summer and turning the heat down in the winter. Putting on a sweater on a cold day can save you a ton of money on your utility bill, as can enjoying a cold drink instead of heavy air conditioning use.

If try this site want to turn off your air conditioning at night to save money, consider putting a standing fan next to your bed. You can set it to oscillate from your toes to your head, blowing cool air over your body and letting you sleep comfortably all night long.

If you have a window air conditioner, be sure to check and see if it has an Energy Saver button. If so, use it! This turns off the fan when the unit isn't actually cooling the air, which can save you as much as 30 kwh over the period of a month!

Consider go now of your alternatives before installing a central air conditioner. You can only cool certain rooms, use whole-house fans, or even make use of a geothermal system. The more efficient the system you set up, the less you'll spend on utility bills over time as you use it.


As you compare new HVAC system, be sure to look at the energy ratings for each unit. The higher they are, the better they will be. Efficiency will not only get your home comfortable faster, but it will save you on your energy bills when you are running your new unit.

Always check to see how long a company or contractor has been working for. Established companies that are doing well will usually be the best ones to go with. Hiring a new contractor comes with an element of risk.

Consider all of your alternatives before installing a central air conditioner. You can only cool certain rooms, use whole-house fans, or even make use of a geothermal system. The more efficient the system you set up, the less you'll spend on utility bills over time as you use it.

Occasionally, air conditioners ice up. The drain line might also freeze over. When you see ice, turn the unit to fan. The ice will melt. You will likely need professional help to stop the problem.



Camfil USA
200 Creekside Dr, Washington, NC 27889, USA
+1 252-975-1141

Have your HVAC inspected every year to ensure that it is working properly. The technician will check your filters, drain lines, air flow and Freon levels. This will have your HVAC working at peak performance saving you money all season long. It will also alert you to any repairs that need to be address before they become big problems.

Learn the rules and regulations regarding licenses and insurance before hiring an HVAC professional. This way you can check to make sure that any contractor you consider hiring meets any requirements. This can prevent a costly legal process, especially in case of an accident on site. Without insurance, you could be held liable for damages.

If you are going to use the Internet as a source for good HVAC contractors, you need to be very careful. You never know who is behind the glowing reviews that are posted all over the Web. There is a chance that the contractor is posting their own reviews or paying others to do so.

Every season inspect the outdoor condenser unit of your HVAC system. Remove any weeds and leaves that may be obstructing air flow to the unit. Hose off the inside and outside of the unit to remove any dirt build up. Cover the motor with plastic bags prior to rinsing the unit so that you do not get it wet.

Does your contractor provide you with an all-day emergency hotline? Your system can go out after hours, and if you need help, you want someone who can be there at any time of the day.

If you feel like you are spending too much money on your heating and cooling, there is a simple way to reduce this cost. Raise or lower the temperature depending on the season. A single degree in temperature change can equate to almost a nine percent savings in cooling and heating costs.

When you are looking to buy a new air conditioner, consider your climate. If you live in a hot, dry area, then an evaporative cooler will be your best bet. If you live in a humid area, opt for a compressor-style unit as it's the only one which will work.

Do not let the heat build up inside your home. Lighting, electronic devices and appliances are all common sources of heat inside the home. To prevent this excessive heat, do not put televisions or lamps close to your a/c's thermostat. These appliances make the a/c think that the house is hotter than it really is, causing the system to run longer than needed and wasting energy.

It wasn't too hard to learn about HVAC now that you can see that the tips are easy to follow. The key is just taking the time to make things work right. Just don't give up and you should be able to use the above advice to lead you to success.

What You Need To Find Out Prior To Calling An A/C Tech For Help

While a great HVAC system is wonderful to have, one that is bad can wreak havoc. Repairing an HVAC unit is expensive and it can take a while before your home is once again a comfortable environment. Follow these tips to put yourself in the best position.

Ask for referrals when hiring someone to install your HVAC system. Someone may seem like they know what they are doing, but you cannot simply take their word for it. You should be able to call past customers to get an idea of what to expect from this particular installer.


When the spring comes and the days begin to warm up, call in a pro to give your HVAC a once over. This will ensure that your air conditioner works as expected all summer long, stopping you from sweating it out when you least expect the system to fail.

If you do have a good experience with a HVAC product or contractor, let others know. Go online and post a review so that people can easily find out who and what brands to trust. At the same time, you can check reviews online to learn more yourself about what's available.

When you have an outdoor unit, be sure to keep all plants, flowers, shrubs and trees at least two feet from it. Anything that grows inside it, either above the ground or even roots beneath the soil, can block it up and cause it to break. Give it some breathing room.

Clean your permanent air filters or replace disposable ones every single month. If you have the choice, an electrostatic is the best option on the market today. Be sure to turn off your unit before you change the filter as it should never be run without a filter in place.




Automotive Cabin Air Filter Market Informative data: Trends, challenges & drivers 2017-2021


Automotive Cabin Air Filter Market Informative data: Trends, challenges & drivers 2017-2021 Automotive Cabin Air Filter Market highlights the latest trends in the global Automotive Cabin Air Filter market along with various growth opportunities upcoming technologies in the Automotive Cabin Air Filter market within the forecast period (2017-2021). It utilizes various analytical techniques to evaluate the market size, share, year-over-year growth rate future market hold of leading brands in the Automotive Cabin Air Filter market space.


When you are looking for a service provider to perform service on your HVAC system, look for a company that stands behind their work. This is especially important if your compressor or condenser is being repaired. Repairs to these two things are extremely expensive, so you want to ensure that the service provider warranties their work.

If just click the following document want to ensure your air conditioner offers you great performance, keep it dry. If it is located in a dry, cool area, you'll find that the efficiency goes up and the unit lasts a long time. You can even buy a water vapor cooler to cool it as it is running.

Every month clean out the leaves and debris that may have settled into your outdoor HVAC unit. You'll be surprised at how much gets caught in your unit. Over time these leaves can build up and create issues for your system. Just this little clean up can save you a lot of money in maintenance bills.

If you hear clicking inside your HVAC unit, look for an obstruction. It could be that debris has made its way into the system. Removing the debris solves the issue. Do this before calling for assistance.





Be careful of sounds in your HVAC. If the condenser fan begins to make a grating or clicking sound, the blades could be hitting an obstruction. If blades get bent, don't try straightening them. You could unbalance them and cause them to hit the condenser coil. This could loosen the motor in the fan. Try replacing the bent blades with new ones. Make sure the new blades can freely rotate without wobbling.

To boost your home HVAC's efficiency, install solar screening. It reflects sunlight back outside, stopping it from heating up your home. Your air conditioner will be able to run less in the daytime, and your energy bill will plummet as a result. You can install this on any glass you have, doors or windows.

Look for leaks in the ducts if your system isn't working right. Call your utility company if they are leaking to see about getting a test. When you repair the leaks, the tests will pay for themselves.

To block out the sun on hot summer days, allowing your air conditioner to run less frequently, invest in heat blocking drapes. These textiles come in beautiful patterns and colors today, looking just like their designer counterparts. They will keep the heat out so that your home stays cooler without costing you an arm and a leg on utility bills.

Every season inspect the outdoor condenser unit of your HVAC system. Remove any weeds and leaves that may be obstructing air flow to the unit. Hose off the inside and outside of the unit to remove any dirt build up. Cover the motor with plastic bags prior to rinsing the unit so that you do not get it wet.

Each month, you need to get a new air filter and install it in your unit. relevant resource site 's a simple thing to do to keep it running properly. Also, this will not cost a lot of money.



Camfil USA
200 Creekside Dr, Washington, NC 27889, USA
+1 252-975-1141

Any HVAC contractor you hire should have a 24-hour emergency hotline. This includes during extreme weather.

Before you get into the hot summer months, make sure to schedule a tune up for your current HVAC system. This is very important to keep issues from popping up with your system. It's a small cost to pay compared to the large bills to fix issues that could arise.

Every month clean out the leaves and debris that may have settled into your outdoor HVAC unit. You'll be surprised at how much gets caught in your unit. Over time these leaves can build up and create issues for your system. Just this little clean up can save you a lot of money in maintenance bills.

Check the licensing of any HVAC company that you plan to hire. Start by making sure they are fully licensed. They should be in compliance with your state's business laws. Good HVAC companies should be fully insured. This is to protect their company, their employees, and their customers should anything happen when they are performing a service at the home of a customer.

The HVAC system in your home is very important and must be properly serviced. https://anchor.fm/hvacknowitall to do certain things will result in costly fixes and a miserable time for you. Don't be a victim of a faulty HVAC system, take what you learned here and use it to ensure that it runs smooth for a long time.

Outstanding Article With Many Great Tips About Hvac

Are you searching for information about HVAC systems because you have had problems in the past? Maybe you would just like solid tips on how to maintain the one you have? Either way, the following article was written as a guide to help anyone keep their HVAC system running the right way, so continue below.


Camfil USA
200 Creekside Dr, Washington, NC 27889, USA
+1 252-975-1141

When purchasing a new HVAC system for your home, be sure it is energy efficient. These days, most new HVAC systems are energy efficient; there is a energy star label on the equipment. However, to be sure your utility costs do not go through the roof, choose equipment that is energy efficient.


If you have some problems with the HVAC system, check out your home before calling a contractor. Figure out which rooms feel hot and which feel cold. This information will help the contractor determine where the problem is and how to fix it.

When the spring comes and the days begin to warm up, call in a pro to give your HVAC a once over. This will ensure that your air conditioner works as expected all summer long, stopping you from sweating it out when you least expect the system to fail.



Benefits of car cabin air filter replacement


Benefits of car cabin air filter replacement Some great advice and tips on getting the most from your sat-nav. They are an amazing invention that make our lives so much easier, but satellite navigation systems can prove frustrating and, if used incorrectly, […]


If you are looking to save money with your HVAC system, consider turning down the air conditioner in the summer and turning the heat down in the winter. Putting on a sweater on a cold day can save you a ton of money on your utility bill, as can enjoying a cold drink instead of heavy air conditioning use.

Whenever possible, try to shade the compressor unit outside. The air that's in a place that is shaded is usually five to six degrees cooler than the surrounding air. Your air conditioning unit will be up to ten percent more efficient if it is properly shaded during the summer months.

Whenever https://camfilusa.tumblr.com/post/178055944571/commercial-air-filters-are-solving-the-cross-state , try to shade the compressor unit outside. The air that's in a place that is shaded is usually five to six degrees cooler than the surrounding air. Your air conditioning unit will be up to ten percent more efficient if it is properly shaded during the summer months.

Make simply click the next website page that the HVAC contractor you plan to hire does not use subcontractors to do their work. Many people use this as an excuse to shirk their responsibility in the event that something goes wrong when your system is being worked on. Only allow this if there is a note in the contract about what will happen if there is an issue.

In the winter, wearing layers can save you a ton of money on your utility bill. If you can install a digital thermostat that makes the house cooler when you're asleep and warmer just before you get up, you can see significant savings on your next bill when it arrives.

When you buy a new air conditioning unit, don't let the salesperson talk you into too large of a unit. This will be a waste of money and won't efficiently cool your home. The longer a system runs, the more efficient it will be when it's running, so look for one which runs 15 to 30 minutes.

Ask those you know for the name of a great HVAC technician, should you need one. Those who have had a great experience should have no issue giving you this info. This can also help you learn the names of those companies that you should avoid.





Before you get into the hot summer months, make sure to schedule a tune up for your current HVAC system. This is very important to keep issues from popping up with your system. It's a small cost to pay compared to the large bills to fix issues that could arise.

Whether you have an air conditioner in a window or outside your home, be sure to keep it in the shade. The cooler the air around it, and the cooler the condenser itself, the easier a time it will have of keeping the air inside your home cool as well.

Test your duct work for leaks. This is a job your local utility provider may do for you inexpensively or even free of charge. When you get leaks repaired, you may see that the testing pays for itself.

When you are looking to buy a new air conditioner, consider your climate. If you live in a hot, dry area, then an evaporative cooler will be your best bet. If you live in a humid area, opt for a compressor-style unit as it's the only one which will work.

To block out the sun on hot summer days, allowing your air conditioner to run less frequently, invest in heat blocking drapes. These textiles come in beautiful patterns and colors today, looking just like their designer counterparts. They will keep the heat out so that your home stays cooler without costing you an arm and a leg on utility bills.

If you can, find a way to create shade over your outdoor HVAC unit. This can actually save you money as shaded air being pulled in by the HVAC unit is typically 5 to 6 degrees cooler than air that's heated by direct sunlight. It's a smart solution to lowering those energy bills.

In order to determine the size of the air conditioner to purchase, you must measure the area that you want to cool. For each square foot you'll need 20 BTU of cooling power. If mobile home air vent filters are cooling more than one room, sum their areas.

If you are hunting for an HVAC company, try to find a company that has plenty of equipment experience. The right company should know how to operate the HVAC brands that you want installed or repaired. They should also be able to answer questions that you have about them.

When comparing quotes from multiple contractors, think carefully about those on the bottom of the price list. It's likely they didn't really look into your home deeply, or they're making promises they can't keep. Do they offer you a guarantee? Are they insured? Do they have a current licence in your state?

Now you have the HVAC advice that you need to proceed with this sort of a thing. Don't delay and take care of it all now if you want to be sure that you're getting the most out of all of this. You will be happy you did when thing work out well for you!

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15